38105352
Description
Quiz by Domhnall Murphy, updated more than 1 year ago
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Created by Domhnall Murphy
about 2 years ago
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Question 1
Question
What is the output from the following ruby statement:
puts (1 + 2 * 2)
Answer
-
5
-
6
-
3
-
4
Question 2
Question
What is the output from the following ruby statement:
puts (4 * 6 / 2 * 2)
Answer
-
6
-
24
-
3
-
0
Question 3
Question
What is the output from the following ruby expression:
puts (4 / 2 * 2 + 2 / 2)
Answer
-
4
-
2
-
3
-
5
Question 4
Question
What is the output from the following ruby statement:
puts (5 + 10 % 3 + 6 / 2)
Answer
-
9
-
3
-
\(5 \frac{1}{2} \)
-
\(6 \frac{1}{2} \)
Question 5
Question
What is the output from the following ruby statement:
puts (4 * 2 ** 2 * 2)
Answer
-
32
-
16
-
128
-
64
Question 6
Question
What is the output from the final ruby statement:
c = 3
d = 4
puts (c or d == 7)
Answer
-
3
-
true
-
false
-
1
Question 7
Question
What is the output of the last ruby statement
x = 5 && 4
puts x
Answer
-
true
-
false
-
5
-
4
Question 8
Question
What is the output of the last ruby statement
x = 5 and 4
puts x
Answer
-
true
-
false
-
5
-
4
Question 9
Question
What is the output from the final ruby statement:
a = false
b = true
! a || b = false
puts b
Answer
-
true
-
false
-
0
-
1
Question 10
Question
What is the output from the following ruby statement
puts (13 & 10 << 1)
Answer
-
4
-
16
-
5
-
8
Question 11
Question
What is the output from the final ruby statement
a = false
b = true
puts (a && b ? 'foo' : 'bar')
Answer
-
true
-
false
-
foo
-
bar
Question 12
Question
What is the output from the final ruby statement
a = false
b = true
puts (a and b ? 'foo' : 'bar')
Answer
-
true
-
false
-
foo
-
bar
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